GB190204280A - The Manufacture and Production of New Azo Colouring Matters and Colour Lakes - Google Patents

The Manufacture and Production of New Azo Colouring Matters and Colour Lakes

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Publication number
GB190204280A
GB190204280A GB190204280DA GB190204280A GB 190204280 A GB190204280 A GB 190204280A GB 190204280D A GB190204280D A GB 190204280DA GB 190204280 A GB190204280 A GB 190204280A
Authority
GB
United Kingdom
Prior art keywords
manufacture
production
azo colouring
new azo
colouring matters
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
James Yate Johnson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB190204280A publication Critical patent/GB190204280A/en
Expired legal-status Critical Current

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Abstract

4280. Johnson, J. Y., [Badische Anilin & Soda Fabrik]. Feb. 19. Pigments.-Red azo colouring-matters, which are produced by combining diazotized 4-chloraniline-5- or 6-sulphonic acid with #-naphthol, are converted into lakes by treating them as described in Specifications No. 25,511, A.D. 1899, No. 2784, A.D. 1900, and No. 20,553, A.D. 1901.
GB190204280D 1902-02-19 1902-02-19 The Manufacture and Production of New Azo Colouring Matters and Colour Lakes Expired GB190204280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190204280T 1902-02-19

Publications (1)

Publication Number Publication Date
GB190204280A true GB190204280A (en) 1902-12-11

Family

ID=32427526

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190204280D Expired GB190204280A (en) 1902-02-19 1902-02-19 The Manufacture and Production of New Azo Colouring Matters and Colour Lakes

Country Status (1)

Country Link
GB (1) GB190204280A (en)

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